V6 Camshaft Specifications

[beardy91]

If you are looking for camshaft specifications for the V6 here they are:

Standard Camshaft Timings for the early VN Series 1 V6 Engine:

Advertised Valve Timing at height - 0.006 inches
Inlet Opens - 22.4 degrees BTDC
Inlet Closes - 66.9 degrees ABDC
Exhaust Opens - 70.7 degrees BBDC
Exhaust Closes - 26.2 degrees ATDC
Inlet Valve Duration - 269.3 degrees
Exhaust Valve Duration - 276.9 degrees
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.4376 inches
Exhaust Valve Lift with 1.6 to 1 ratio rockers - 0.4373 inches
Inlet Valve Lift at TDC - 0.0336 inches

0.050 Valve Timing
Inlet Opens - minus 15.3 degrees BTDC (15.3 degrees ATDC)
Inlet Closes - 29.2 degrees ABDC
Exhaust Opens - 30.4 degrees BBDC
Exhaust Closes - minus 14.2 degrees ATDC (14.2 degrees BTDC)
Inlet Valve Duration - 193.9 degrees
Exhaust Valve Duration - 196.2 degrees
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.4376 inches
Exhaust Valve Lift with 1.6 to 1 ratio rockers - 0.4373 inches
Ramp Rate - 2.13
Valve Overlap Seat to Seat - 48.6 degrees
Valve Overlap at 0.050 inches - minus 29.5 degrees
Inlet Lobe Centreline - 112.2 degrees
Exhaust Lobe Centreline - 112.3 degrees
Lobe Separation Angle - 112.3 degrees
--------------------------------------------------------------------------
Standard Cam Timings for the late VN-VP-VR-early VS Series Two V6 Engine:

Advertised Valve Timing at height - 0.008 inches
Inlet Opens - 9.8 degrees BTDC
Inlet Closes - 52.1 degrees ABDC
Exhaust Opens - 56.8 degrees BBDC
Exhaust Closes - 14.5 degrees ATDC
Inlet Valve Duration - 241.9 degrees
Exhaust Valve Duration - 251.3 degrees
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.4066 inches
Exhaust Valve Lift with 1.6 to 1 ratio rockers - 0.4083 inches
Inlet Valve Lift at TDC - 0.0256 inches

0.050 Valve Timing
Inlet Opens - minus 20.9 degrees BTDC (20.9 degrees ATDC)
Inlet Closes - 21.4 degrees ABDC
Exhaust Opens - 26.1 degrees BBDC
Exhaust Closes - minus 16.2 degrees ATDC (16.2 degrees BTDC)
Inlet Valve Duration - 180.5 degrees
Exhaust Valve Duration - 189.9 degrees
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.4066 inches
Exhaust Valve Lift with 1.6 to 1 ratio rockers - 0.4083 inches
Ramp Rate - 2.27
Valve Overlap Seat to Seat - 24.3 degrees
Valve Overlap at 0.050 inches - minus 37.1 degrees
Inlet Lobe Centreline - 111.1 degrees
Exhaust Lobe Centreline - 111.2 degrees
Lobe Separation Angle - 111.2 degrees
--------------------------------------------------------------------------
Standard Valve Timing for the LateVS-VT-VX-VY EcoTech V6 Engine:

Advertised Valve Lift at height - 0.006 inches
Inlet Opens - 6.7 degrees BTDC
Inlet Closes - 57.0 degrees ABDC
Exhaust Opens - 65.3 degrees BBDC
Exhaust Closes - 15.1 degrees ATDC
Inlet Valve Duration - 243.7 degrees
Exhaust Valve Duration - 260.4 degrees
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.4099 inches
Exhaust Valve Lift with 1.6 to 1 ratio rockers - 0.4112 inches
Inlet Valve Lift at TDC - 0.0208 inches

0.050 Valve Timing
Inlet Opens - minus 24.4 degrees BTDC (24.4 degrees ATDC)
Inlet Closes - 25.8 degrees ABDC
Exhaust Opens - 31.6 degrees BBDC
Exhaust Closes - minus 18.7 degrees ATDC (18.7 degrees BTDC)
Inlet Valve Duration - 181.4 degrees
Exhaust Valve Duration - 192.9 degrees
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.4099 inches
Exhaust Valve Lift with 1.6 to 1 ratio rockers - 0.4112 inches
Ramp Rate - 2.22
Valve Overlap Seat to Seat - 21.8 degres
Valve Overlap at 0.050 inches - minus 43.1 degrees
Inlet Lobe Centreline - 115.2 degrees
Exhaust Lobe Centreline - 115.1 degrees
Lobe Separation Angle - 115.1 degrees

I hope all of these cam timings are of help to you all and they will be invaluable when comparing an aftermarket camshaft to the standard one that Holden used originally in these engines.

 

[Spaced]

Sticky please?

 

[AWETZM]

Nice work - definitely worth a sticky.

 

[beardy91]

If you are looking for some aftermarket camshaft specifications for the EcoTech engine then here are some that I have come across:

Crow Cams Part Number 8531562RH
Power Range - 1800rpm to 6000rpm
Mild performance cam for standard engines. Needs exhaust system.

Advertised Valve Timing at height - 0.006 inches
Inlet Opens - 22 degrees BTDC
Inlet Closes - 64 degrees ABDC
Exhaust Opens - 70 degrees BBDC
Exhaust Closes - 20 degrees ATDC
Inlet Duration - 266 degrees
Exhaust Duration - 270 Degrees
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.4400 inches
Exhaust Valve Lift with 1.6 to 1 ratio rockers - 0.4400 inches
Inlet Valve Lift for #1 Cylinder Intake Valve at TDC - 0.0528 inches

0.050 Valve Timing
Inlet Opens - minus 10 degrees BTDC (10 degrees ATDC)
Inlet Closes - 32 degrees ABDC
Exhaust Opens - 38 degrees BBDC
Exhaust Closes - minus 12 degrees ATDC (12 degrees BTDC)
Inlet Valve Duration - 201 degrees
Exhaust Valve Duration - 206 degrees
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.4400 inches
Exhaust Valve Lift with 1.6 to 1 ratio rockers - 0.4400 inches
Ramp Rate - 2.29
Valve Overlap Seat to Seat - 42 degrees
Valve Overlap at 0.050 inches - minus 22 degrees
Inlet Lobe Centreline - 111 degrees
Exhaust Lobe Centreline - 115 degrees
Lobe Separation Angle - 113 degrees

Recommended Valve Train Components
Valve Springs - 4236
Valve Spring Retainers - 10707-12
Valve Collets - 10701-12
Valve Spring Installed Height - 1.780 inches
Valve Spring Installed Pressure - 110 lbs
Valve Spring Pressure @ 0.500 inches 260 lbs
Valve Spring Maximum Lift - 0.550 inches
Valve Spring Solid Height - 1.090 inches
H/D Timing Set - CS6VS
Pushrods - Standard EcoTech Pushrods
or Pushrods - PR-605 Standard Pushrods EcoTech V6
or Pushrods - PR5705 - Race Pushrods EcoTech V6
Lifters - Standard Roller Lifters
--------------------------------------------------------------------------
Crow Cams Part Number 8531371RH L/C 110 Custom Grind

Advertised Valve Timing at height - 0.006 inches
Inlet Opens - 34 degrees BTDC
Inlet Closes - 72 degrees ABDC
Exhaust Opens - 74 degrees BBDC
Exhaust Closes - 32 degrees ATDC
Inlet Valve Duration - 286 degrees
Exhaust Valve Duration - 286 degrees
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.4992 inches
Exhaust Valve Lift with 1.6 to 1 ratio rockers - 0.4992 inches
Inlet Valve Lift for #1 Cylinder Intake Valve at TDC - 0.0848 inches

0.050 Valve Timing
Inlet Opens - minus 1 degrees BTDC (1 degree ATDC)
Inlet Closes - 37 degrees ABDC
Exhaust Opens - 39 degrees BBDC
Exhaust Closes - minus 3 degrees ATDC (3 degrees BTDC)
Inlet Valve Duration - 216 degrees
Exhaust Valve Duration - 216 degrees
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.4992 inches
Exhaust Valve Lift with 1.6 to 1 ratio rockers - 0.4992 inches
Ramp Rate - 2.37
Valve Overlap Seat to Seat - 66 degrees
Valve Overlap at 0.050 inches - minus 4 degrees
Intake Lobe Centreline - 109 degrees
Exhaust Lobe Centreline - 111 degrees
Lobe Separation Angle - 110 degrees

Recommended Valve Train Components Part Numbers
Valve Springs - 4918
Valve Spring Retainers - 10707
Valve Collets - 10701 : 7 degrees
Valve Spring Installed Height - 1.780 inches
H/D Timing Set - CSCS6VS
Pushrods - Standard Pushrods
or Pushrods - PR-605 Standard Pushrods EcoTech V6
or Pushrods - PR5705 - Race Pushrods EcoTech V6
Lifters - Standard Roller Lifters

Tuning Notes - With 110 degrees Lobe Separation Angle this would need an aftermarket computer or a memcal with a suitable tune to suit this camshaft. If you can only use the factory computer we can grind the cam to 114 degrees Lobe Separation Angle which would be easier to tune.
_________________________________________________________________

Crow Cams Part Number 8531528RH

Advertised Valve Timing at height - 0.006 inches
Inlet Opens - 35 degrees BTDC
Inlet Closes - 71 degrees ABDC
Exhaust Opens - 78 degrees BBDC
Exhaust Closes - 34 degrees ATDC
Inlet Valve Duration - 286 degrees
Exhaust Valve Duration - 293 degrees
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.5115 inches
Exhaust Valve Lift with 1.6 to 1 ratio rockers - 0.5139 inches
Inlet Valve Lift for #1 Cylinder InTake Valve at TDC - 0.104 inches

0.050 Valve Timing
Inlet Opens - 5 degrees BTDC
Inlet Closes - 41 degrees ABDC
Exhaust Opens - 48 degrees BBDC
Exhaust Closes - 4 degrees ATDC
Inlet Valve Duration - 226 degrees
Exhaust Valve Duration - 232 degrees
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.5115 inches
Exhaust Valve Lift with 1.6 to 1 ratio rockers - 0.5139 inches
Ramp Rate - 2.56
Valve Overlap Seat to Seat - 69 degrees
Valve Overlap at 0.050 inches - 9 degrees
Inlet Lobe Centreline - 108 degrees
Exhaust Lobe Centreline - 112 degrees
Lobe Separation Angle - 110 degrees

Recommended Valve Train Components
Valve Springs - 4918
Valve Spring Retainers - 10707
Valve Collets - 10701 : 7 degrees
Valve Spring Installed Height - 1.780 inches
H/D Timing Set - CSCS6VS
Pushrods - Standard Pushrods EcoTech V6
or Pushrods - PR-605 Standard Pushrods EcoTech V6
or Pushrods - PR5705 Race Pushrods EcoTech V6
Lifters - Standard Roller Lifters

Tuning Notes - With 110 Lobe Separation Angle this would need an aftermarket computer or a memcal with a suitable tune to suit this camshaft. If you can only use the factory computer we can grind the cam to 114 degrees Lobe Separation Angle which would be easier to tune.
_________________________________________________________________

C.O.M.E. Racing Cams Grind Number CSBR-523

Advertised Valve Timing
Inlet Valve Opens - 35 degrees BTDC
Inlet Valve Closes - 71 degrees ABDC
Exhaust Valve Opens - 86 degrees BBDC
Exhaust Valve Closes - 32 degrees ATDC
Inlet Valve Duration - 286 degrees
Exhaust Valve Duration - 298 degrees
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.5072 inches
Exhaust Valve Lift with 1.6 to 1 ratio rockers - 0.5328 inches
Intake Valve Lift for #1 Cylinder Intake Valve at TDC - 0.1008 inches

0.050 Valve Timing
Intake Opens - 3.1 degrees BTDC
Intake Closes - 39.1 degrees ATDC
Exhaust Opens - 53.1 degrees BBDC
Exhaust Closes - minus 0.9 degrees ATDC (0.9 degrees BTDC)
Inlet Valve Duration - 222.2 degrees
Exhaust Valve Duration - 232.2 degrees
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.5072 inches
Exhaust Valve Lift with 1.6 to 1 ratio rockers - 0.5328 inches
Ramp Rate - 2.50
Valve Overlap Seat to Seat - 67 degrees
Valve Overlap at 0.050 inches - 2.2 degrees
Lobe Separation Angle - 112.5 degrees
Intake Lobe Centreline - 108 degrees
Exhaust Lobe Centreline - 117 degrees
Valve Spring Pressures - Seat : 125 lbs
Valve Spring Pressures - Open : 320 lbs
_________________________________________________________________

I hope these will be of use to you all.

 

[beardy91]

Another lot of cam specifications. This time from Tighe Cams:

Tighe Cams Profile Number 1021

Advertised Valve Timing at height - 0.006 inches
Inlet Valve Duration - 252 degrees
Exhaust Valve Duration - 263 degrees
Inlet Valve Lift with 1.5 to 1 ratio rockers - 0.405 inches
Exhaust Valve Lift with 1.5 to 1 ratio rockers - 0.405 inches

0.050 Valve Timing
Inlet Valve Duration - 198 degrees
Exhaust Valve Duration - 218 degrees
Inlet Valve Lift with 1.5 to 1 ratio rockers - 0.405 inches
Exhaust Valve Lift with 1.5 to 1 ratio rockers - 0.405 inches
_________________________________________________________________

Tighe Cams Profile Number 972C

Advertised Valve Timing at height - 0.006 inches
Inlet Opens - 15 degrees BTDC
Inlet Closes - 55 degrees ABDC
Exhaust Opens - 60 degrees BBDC
Exhaust Closes - 10 degrees ATDC
Inlet Valve Duration - 250 degrees
Exhaust Valve Duration - 250 degrees
Inlet Valve Lift with 1.5 to 1 ratio rockers - 0.465 inches
Exhaust Valve Lift with 1.5 to 1 ratio rockers - 0.465 inches

0.050 Valve Timing
Inlet Opens - minus 9 degrees BTDC (9 degrees ATDC)
Inlet Closes - 31 degrees ABDC
Exhaust Opens - 36 degrees BBDC
Exhaust Closes - minus 14 degrees ATDC (14 degrees BTDC)
Inlet Valve Duration - 202 degrees
Exhaust Valve Duration - 202 degrees
Inlet Valve Lift with 1.5 to 1 ratio rockers - 0.465 inches
Exhaust Valve Lift with 1.5 to 1 ratio rockers - 0.465 inches
Ramp Rate - 2.76
Valve Overlap Seat to Seat - 25 degrees
Valve Overlap at 0.050 inches - minus 23 degrees
Inlet Lobe Centreline - 110 degrees
Exhaust Lobe Centreline - 115 degrees
Lobe Separation Angle - 112.5 degrees
_________________________________________________________________

Tighe Cams Profile Number 753C

Power Range - 2300 rpm to 6500 rpm

Advertised Valve Timing at height - 0.006 inches
Inlet Opens - 28 degrees BTDC
Inlet Closes - 60 degrees ABDC
Exhaust Opens - 68 degrees BBDC
Exhaust Closes - 20 degrees ATDC
Inlet Valve Duration - 268 degrees
Exhaust Valve Duration - 268 degrees
Inlet Valve Lift with 1.5 to 1 ratio rockers - 0.525 inches
Exhaust Valve Lift with 1.5 to 1 ratio rockers - 0.525 inches

0.050 Valve Timing
Inlet Opens - 5 degrees BTDC
Inlet Closes - 39 degrees ABDC
Exhaust Opens - 47 degrees BBDC
Exhaust Closes - minus 3 degrees ATDC (3 degrees BTDC)
Inlet Valve Duration - 224 degrees
Exhaust Valve Duration - 224 degrees
Inlet Valve Lift with 1.5 to 1 ratio rockers - 0.525 inches
Exhaust Valve Lift with 1.5 to 1 ratio rockers - 0.525 inches
Ramp Rate - 3.14
Valve Overlap Seat to Seat - 48 degrees
Valve Overlap at 0.050 inches - 2 degrees
Inlet Lobe Centreline - 106 degrees
Exhaust Lobe Centreline - 114 degrees
Lobe Separation Angle - 110 degrees
_________________________________________________________________

Tighe Cams Profile Number 669

Advertised Valve Timings at height - 0.006 inches
Inlet Opens - 25 degrees BTDC
Inlet Closes - 65 degrees ABDC
Exhaust Opens - 65 degrees BBDC
Exhaust Closes - 25 degrees ATDC
Inlet Valve Duration - 270 degrees
Exhaust Valve Duration - 270 degrees
Inlet Valve Lift with 1.5 to 1 ratio rockers - 0.420 inches
Exhaust Valve Lift with 1.5 to 1 ratio rockers - 0.420 inches

0.050 Valve Timing
Inlet Opens - 6.5 degrees BTDC
Inlet Closes - 46.5 degrees ABDC
Exhaust Opens - 46.5 degrees BBDC
Exhaust Closes - 6.5 degrees ATDC
Inlet Valve Duration - 233 degrees
Exhaust Valve Duration - 233 degrees
Inlet Valve Lift with 1.5 to 1 ratio rockers - 0.420 inches
Exhaust Valve Lift with 1.5 to 1 ratio rockers - 0.420 inches
Ramp Rate - 2.74
Valve Overlap Seat to Seat - 50 degrees
Valve Overlap at 0.050 inches - 13 degrees
Inlet Lobe Centreline - 110 degrees
Exhaust Lobe Centreline - 110 degrees
Lobe Separation Angle - 110 degrees
_________________________________________________________________

Tighe Cams Profile Number 953A

Advertised Valve Timing at height - 0.006 inches
Inlet Opens - 35 degrees BTDC
Inlet Closes - 75 degrees ABDC
Exhaust Opens - 70 degrees BBDC
Exhaust Closes - 40 degrees ATDC
Inlet Valve Duration - 290 degrees
Exhaust Valve Duration - 290 degrees
Inlet Valve Lift with 1.5 to 1 ratio rockers - 0.575 inches
Exhaust Valve Lift with 1.5 to 1 ratio rockers - 0.575 inches

0.050 Valve Timing
Inlet Opens - 15 degrees BTDC
Inlet Closes - 55 degrees ABDC
Exhaust Opens - 50 degrees BBDC
Exhaust Closes - 20 degrees ATDC
Inlet Valve Duration - 250 degrees
Exhaust Valve Duration - 250 degrees
Inlet Valve lift with 1.5 to 1 ratio rockers - 0.575 inches
Exhaust Valve Lift with 1.5 to 1 ratio rockers - 0.575 inches
Ramp Rate - 3.50
Valve Overlap Seat to Seat - 75 degrees
Valve Overlap at 0.050 inches - 35 degrees
Inlet Lobe Centreline - 110 degrees
Exhaust Lobe Centreline - 105 degrees
Lobe Separation Angle - 107.5 degrees
_________________________________________________________________

Tighe Cams Profile Number 866C

Advertised Valve Timing at height - 0.006 inches
Inlet Opens - 41 degrees BTDC
Inlet Closes - 79 degrees ABDC
Exhaust Opens - 78 degrees BBDC
Exhaust Closes - 42 degrees ATDC
Inlet Valve Duration - 300 degrees
Ehaust Valve Duration - 300 degrees
Inlet Valve Lift with 1.5 to 1 ratio rockers - 0.525 inches
Exhaust Valve Lift with 1.5 to 1 ratio rockers - 0.525 inches

0.050 Valve Timing
Inlet Opens - 21 degrees BTDC
Inlet Closes - 59 degrees ABDC
Exhaust Opens - 58 degrees BBDC
Exhaust Closes - 22 degrees ATDC
Inlet Valve Duration - 260 degrees
Exhaust Valve Duration - 260 degrees
Inlet Valve Lift with 1.5 to 1 ratio rockers - 0.525 inches
Exhaust Valve Lift with 1.5 to 1 ratio rockers - 0.525 inches
Ramp Rate - 3.11
Valve Overlap Seat to Seat - 83 degrees
Valve Overlap at 0.050 inches - 43 degrees
Inlet Lobe Centreline - 109 degrees
Exhaust Lobe Centreline - 108 degrees
Lobe Separation Angle - 108.5 degrees
_________________________________________________________________

Tighe Cams Profile Number 669C

Advertised Valve Timing at height - 0.006 inches
Inlet Opens - 45 degrees BTDC
Inlet Closes - 77 degrees ABDC
Exhaust Opens - 80 degrees BBDC
Exhaust Closes - 42 degrees ATDC
Inlet Valve Duration - 302 degrees
Exhaust Valve Duration - 302 degrees
Inlet Valve Lift with 1.5 to 1 ratio rockers - 0.440 inches
Exhaust Valve Lift with 1.5 to 1 ratio rockers - 0.440 inches

0.050 Valve Timing
Inlet Opens - 29 degrees BTDC
Inlet Closes - 61 degrees ABDC
Exhaust Opens - 64 degrees BBDC
Exhaust Closes - 26 degrees ATDC
Inlet Valve Duration - 270 degrees
Exhaust Valve Duration - 270 degrees
Inlet Valve Lift with 1.5 to 1 ratio rockers - 0.440 inches
Exhaust Valve Lift with 1.5 to 1 ratio rockers - 0.440 inches
Ramp Rate - 2.90
Valve Overlap Seat to Seat - 87 degrees
Valve Overlap at 0.050 inches - 55 degrees
Inlet Lobe Centreline - 106 degrees
Exhaust Lobe Centreline - 109 degrees
Lobe Separation Angle - 107.5 degrees
_________________________________________________________________

This information is straight off Tighe Cams website at tighecams.com.au

I hope this is of help to you all.

 

[GTP 85]

So early VS ecotec stock cam specs are different to the late VS ones? i didnt know that?.. Would this affect the power much?

 

[beardy91]

The early VS had the Series Two engine in them like the late VP's and all the VR's. Only the late VS's had the EcoTech engine in them.

 

[beardy91]

Another lot of Camshaft Specifications, this time from Wade Cams:

Wade Cams Profile Number 1250

Smooth Idle, good torque, suit gas

Advertised Valve Timing at height - 0.006 inches
Inlet Opens - 23 degrees BTDC
Inlet Closes - 67 degrees ABDC
Exhaust Opens - 63 degrees BBDC
Exhaust Closes - 27 degrees ATDC
Inlet Valve Duration - 270 degrees
Exhaust Valve Duration - 270 degrees
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.450 inches
Exhaust Valve Lift with 1.6 to 1 ratio rockers - 0.450 inches

0.050 Valve Timing
Inlet Opens - minus 9.5 degrees BTDC (9.5 degrees ATDC)
Inlet Closes - 34.5 degrees ABDC
Exhaust Opens - 30.5 degrees BBDC
Exhaust Closes - minus 5.5 degrees ATDC (5.5 degrees BTDC)
Inlet Valve Duration - 205 degrees
Exhaust Valve Duration - 205 degrees
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.450 inches
Exhaust Valve Lift with 1.6 to 1 ratio rockers - 0.450 inches
Ramp Rate - 2.31
Valve Overlap Seat to Seat - 50 degrees
Valve Overlap at 0.050 inches - minus 15 degrees
Inlet Lobe Centreline - 112 degrees
Exhaust Lobe Centreline - 108 degrees
Lobe Separation Angle - 110 degrees
_________________________________________________________________

Wade Cams Profile Number 992a

Good Idle, low to midrange power increase, needs chip

Advertised Valve Timing at height - 0.006 inches
Inlet Opens - 25 degrees BTDC
Inlet Closes - 71 degrees ABDC
Exhaust Opens - 69 degrees BBDC
Exhaust Closes - 27 degrees ATDC
Inlet Valve Duration - 276 degrees
Exhaust Valve Duration - 276 degrees
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.472 inches
Exhaust Valve Lift with 1.6 to 1 ratio rockers - 0.472 inches

0.050 Valve Timing
Inlet Opens - minus 6 degrees BTDC (6 degrees ATDC)
Inlet Closes - 40 degrees ABDC
Exhaust Opens - 38 degrees BBDC
Exhaust Closes - minus 4 degrees ATDC (4 degrees BTDC)
Inlet Valve Duration - 214 degrees
Exhaust Valve Duration - 214 degrees
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.472 inches
Exhaust Valve Duration with 1.6 to 1 ratio rockers - 0.472 inches
Valve Overlap Seat to Seat - 52 degrees
Valve Overlap at 0.050 inches - minus 10 degrees
Inlet Lobe Centreline - 113 degrees
Exhaust Lobe Centreline - 111 degrees
Lobe Separation Angle - 112 degrees
_________________________________________________________________

Wade Cams Profile Number 1114a

Midrange to top end, mod chip, exhaust etc

Advertised Valve Timing at height - 0.006 inches
Inlet Opens - 29 degrees BTDC
Inlet Closes - 67 degrees ABDC
Exhaust Opens - 69 degrees BBDC
Exhaust Closes - 27 degrees ATDC
Inlet Valve Duration - 276 degrees
Exhaust Valve Duration - 276 degrees
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.493 inches
Exhaust Valve Lift with 1.6 to 1 ratio rockers - 0.493 inches

0.050 Valve Timing
Inlet Opens - 1 degree BTDC
Inlet Closes - 39 degrees ABDC
Exhaust Opens - 41 degrees BBDC
Exhaust Closes - minus 1 degree ATDC (1 degree BTDC)
Inlet Valve Duration - 220 degrees
Exhaust Valve Duration - 220 degrees
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.493 inches
Exhaust Valve Lift with 1.6 to 1 ratio rockers - 0.493 inches
Valve Overlap Seat to Seat - 56 degrees
Valve Overlap at 0.050 inches - 0 degrees
Inlet Lobe Centreline - 109 degrees
Exhaust Lobe Centreline - 111 degrees
Lobe Separation Angle - 110 degrees
_________________________________________________________________

Wade Cams Profile Number 1365a

Needs more compression, suit speedway

Advertised Valve Timing at height - 0.006 inches
Inlet Opens - 34 degrees BTDC
Inlet Closes - 64 degrees ABDC
Exhaust Opens - 74 degrees BBDC
Exhaust Closes - 28 degrees ATDC
Inlet Valve Duration - 278 degrees
Exhaust Valve Duration - 282 degrees
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.500 inches
Exhaust Valve Lift with 1.6 to 1 ratio rockers - 0.500 inches

0.050 Valve Timing
Inlet Opens - 9 degrees BTDC
Inlet Closes - 39 degrees ABDC
Exhaust Opens - 49 degrees BBDC
Exhaust Closes - 3 degrees ATDC
Inlet Valve Duration - 228 degrees
Exhaust Valve Duration - 232 degrees
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.500 inches
Exhaust Valve Lift with 1.6 to 1 ratio rockers - 0.500 inches
Ramp Rate - 2.70
Valve Overlap Seat to Seat - 62 degrees
Valve Overlap at 0.050 inches - 12 degrees
Inlet Lobe Centreline - 105 degrees
Exhaust Lobe Centreline - 113 degrees
Lobe Separation Angle - 109 degrees
_________________________________________________________________

Wade Cams Profile Number 686a
(Note: SOLID ROLLER CAM NOT HYDRAULIC ROLLER CAM)

Midrange to top end, needs springs.

Advertised Valve Timing at height - 0.006 inches
Inlet Opens - 38 degrees BTDC
Inlet Closes - 70 degrees ABDC
Exhaust Opens - 74 degrees BBDC
Exhaust Closes - 34 degrees ATDC
Inlet Valve Duration - 288 degrees
Exhaust Valve Duration - 288 degrees
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.509 inches
Exhaust Valve Lift with 1.6 to 1 ratio rockers - 0.509 inches

0.050 Valve Timing
Inlet Opens - 10 degrees BTDC
Inlet Closes - 42 degrees ABDC
Exhaust Opens - 46 degrees BBDC
Exhaust Closes - 6 degrees ATDC
Inlet Valve Duration - 232 degrees
Exhaust Valve Duration - 232 degrees
Inlet Valve Clearance - 0.025 inches
Exhaust Valve Clearance - 0.025 inches
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.509 inches
Exhaust Valve Lift with 1.6 to 1 ratio rockers - 0.509 inches
Ramp Rate - 2.62
Valve Overlap Seat to Seat - 72 degrees
Valve Overlap at 0.050 inches - 16 degrees
Inlet Lobe Centreline - 106 degrees
Exhaust Lobe Centreline - 110 degrees
Lobe Separation Angle - 108 degrees
_________________________________________________________________

Wade Cams Profile Number 1058a
(Note: SOLID ROLLER CAM NOT HYDRAULIC ROLLER CAM)

Formula Holden full mod engine

Advertised Valve Timing at height - 0.006 inches
Inlet Opens - 50 degrees BTDC
Inlet Closes - 78 degrees ABDC
Exhaust Opens - 82 degrees BBDC
Exhaust Closes - 46 degrees ATDC
Inlet Valve Duration - 308 degrees
Exhaust Valve Duration - 308 degrees
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.525 inches
Exhaust Valve Lift with 1.6 to 1 ratio rockers - 0.525 inches

0.050 Valve Timing
Inlet Opens - 25 degrees BTDC
Inlet Closes - 53 Degrees ABDC
Exhaust Opens - 57 degrees BBDC
Exhaust Closes - 21 degrees ATDC
Inlet Valve Duration - 258 degrees
Exhaust Valve Duration - 258 degrees
Inlet Valve Clearance - 0.019 inches
Exhaust Valve Clearance - 0.019 inches
Inlet Valve Lift with 1.6 to 1 ratio rockers - 0.525 inches
Exhaust Valve Lift with 1.6 to 1 ratio rockers - 0.525 inches
Ramp Rate - 2.75
Valve Overlap Seat to Seat - 96 degrees
Valve Overlap at 0.050 inches - 46 degrees
Inlet Lobe Centreline - 104 degrees
Exhaust Lobe Centreline - 108 degrees
Lobe Separation Angle - 106 degrees
_________________________________________________________________
These camshaft specifications are straight off Wade Cams website at wadecams.com I hope these camshaft specifications will help all of you.